Industrial Heating Uses

  • Warehouses and Factories
  • Auto repair shops
  • Churches and halls
  • Gymnasiums and stadiums
  • Aircraft buildings and hangars


  • Annual savings  of up to 25-45% compared with traditional warm air system.
  • Superior efficiency thanks to direct heating: no loss of heat through piping or through heat-distribution system.
  • Zone heating.
  • Best for spot heating.
  • Easy maintenance without moving parts.
  • Simple to control with a commercial or digital thermostat.
  • Reduced air stratification.
  • Sensation of instant heat.
  • No dust swirls or draught air drafts are produced.
  • Quiet.



A high intensity infrared unit heats by radiant heat. The energy is spread by radiation: its effect on the human body is rather like being exposed to the sun. Like the light from a lamp, infrared radiant heat is directional and warms every object in its path, depending on the nature of its surface. The infrared radiant heat traverses the ambient air without losing its energy until the moment it meets an object.

Air and gas mix into the venture chamber to create a flameless combustion on the ceramic tile surface. The radiant surface temperature can reach 900°C and convert up to 60% of the gas input into radiant heat.

  • Natural gas or LPG.
  • Rates 9.5/18/28.5/36/46.5kW.
  • Unique pattern high output ceramics.
  • Reliable Direct Spark Ignition with 100% gas valve shut off.
  • Entire construction is non-corrosive aluminized steel.
  • High-polished aluminum reflector maximizing radiant efficiency.
  • Modular burner head construction.
  • Stainless steel venture and aluminized steel burner.
  • Performance enhancing screens on all models.
  • 15°-35° tile mounting.

Heating Power: 

Warehouse: 80-110 W/sqm

Factory: 120-180 W/sqm

Combustion: Non-sealed combustion (the combustion air is taken directly from the space to be heated and the combustion products are released into that same space).

Venting: The combustion products are vented indoors.

  • Minimum clearance to combustibles must be complied with, according to Keywarm HVAC.
  • Minimum height to be respected, according to Keywarm HVAC.
  • Installation is not recommended in places where there are chlorine products, solvents or explosives, but certain models are suitable for that type of environment.
  • The combustion products are vented indoors with additional ventilation. Usually, this calls for an interlock between the appliance and a mechanical extractor fan.   A fresh air supply unit needs to be installed in order to maintain an acceptable level of CO2 (5,000 ppm). For more details, consult the manufacturer’s Installation Guide.
  • The ventilation rate stipulated in Code B 149.2 is 300 ft3 of air per minute per 100,000 Btu/hr or each kW per 22m³/h fresh air of high intensity infrared installed.
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